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annotate libgui/src/m-editor/find-dialog.cc @ 26376:00f796120a6d stable

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maint: Update copyright dates in all source files.
author John W. Eaton <jwe@octave.org>
date Wed, 02 Jan 2019 16:32:43 -0500
parents 078b795c5219
children aced09cc1721
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Find dialog derived from an example from Qt Toolkit (license below (**))
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4
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5 Copyright (C) 2012-2019 Torsten <ttl@justmail.de>
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6 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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7 All rights reserved.
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8 Contact: Nokia Corporation (qt-info@nokia.com)
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9
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10 This file is part of Octave.
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11
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12 Octave is free software: you can redistribute it and/or modify it
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13 under the terms of the GNU General Public License as published by
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14 the Free Software Foundation, either version 3 of the License, or
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15 (at your option) any later version.
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16
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17 Octave is distributed in the hope that it will be useful, but
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18 WITHOUT ANY WARRANTY; without even the implied warranty of
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19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 GNU General Public License for more details.
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21
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22 You should have received a copy of the GNU General Public License
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23 along with Octave; see the file COPYING. If not, see
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24 <https://www.gnu.org/licenses/>.
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25
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26 ** This file is part of the examples of the Qt Toolkit.
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27 **
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28 ** $QT_BEGIN_LICENSE:LGPL$
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29 ** Commercial Usage
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30 ** Licensees holding valid Qt Commercial licenses may use this file in
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31 ** accordance with the Qt Commercial License Agreement provided with the
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32 ** Software or, alternatively, in accordance with the terms contained in
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33 ** a written agreement between you and Nokia.
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34 **
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35 ** GNU Lesser General Public License Usage
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36 ** Alternatively, this file may be used under the terms of the GNU Lesser
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37 ** General Public License version 2.1 as published by the Free Software
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38 ** Foundation and appearing in the file LICENSE.LGPL included in the
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39 ** packaging of this file. Please review the following information to
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40 ** ensure the GNU Lesser General Public License version 2.1 requirements
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41 ** will be met: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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42 **
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43 ** In addition, as a special exception, Nokia gives you certain additional
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44 ** rights. These rights are described in the Nokia Qt LGPL Exception
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45 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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46 **
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47 ** GNU General Public License Usage
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48 ** Alternatively, this file may be used under the terms of the GNU
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49 ** General Public License version 3.0 as published by the Free Software
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50 ** Foundation and appearing in the file LICENSE.GPL included in the
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51 ** packaging of this file. Please review the following information to
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52 ** ensure the GNU General Public License version 3.0 requirements will be
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53 ** met: https://www.gnu.org/copyleft/gpl.html.
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54 **
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55 ** If you have questions regarding the use of this file, please contact
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56 ** Nokia at qt-info@nokia.com.
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57 ** $QT_END_LICENSE$
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58 **
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59
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60 */
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61
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62 #if defined (HAVE_CONFIG_H)
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63 # include "config.h"
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64 #endif
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65
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66 #if defined (HAVE_QSCINTILLA)
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67
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68 #include <QCheckBox>
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69 #include <QCheckBox>
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70 #include <QDialogButtonBox>
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71 #include <QGridLayout>
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72 #include <QIcon>
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73 #include <QLabel>
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74 #include <QLineEdit>
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75 #include <QMessageBox>
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76 #include <QPushButton>
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77 #include <QVBoxLayout>
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78
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79 #include "find-dialog.h"
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80
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81 namespace octave
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82 {
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83 find_dialog::find_dialog (QsciScintilla *edit_area,
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84 QList<QAction *> find_actions, QWidget *p)
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85 : QDialog (p)
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86 {
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87 setWindowTitle (tr ("Find and Replace"));
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88 setWindowIcon (QIcon (":/actions/icons/find.png"));
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89
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90 _search_label = new QLabel (tr ("Find &what:"));
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91 _search_line_edit = new QLineEdit;
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92 _search_label->setBuddy (_search_line_edit);
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93 _replace_label = new QLabel (tr ("Re&place with:"));
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94 _replace_line_edit = new QLineEdit;
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95 _replace_label->setBuddy (_replace_line_edit);
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96
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97 _case_check_box = new QCheckBox (tr ("Match &case"));
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98 _from_start_check_box = new QCheckBox (tr ("Search from &start"));
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99 _wrap_check_box = new QCheckBox (tr ("&Wrap while searching"));
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100 _wrap_check_box->setChecked (true);
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101 _find_next_button = new QPushButton (tr ("&Find Next"));
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102 _find_prev_button = new QPushButton (tr ("Find &Previous"));
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103 _replace_button = new QPushButton (tr ("&Replace"));
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104 _replace_all_button = new QPushButton (tr ("Replace &All"));
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105
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106 _more_button = new QPushButton (tr ("&More..."));
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107 _more_button->setCheckable (true);
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108 _more_button->setAutoDefault (false);
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109
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110 _button_box = new QDialogButtonBox (Qt::Vertical);
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111 _button_box->addButton (_find_next_button, QDialogButtonBox::ActionRole);
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112 _button_box->addButton (_find_prev_button, QDialogButtonBox::ActionRole);
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113 _button_box->addButton (_replace_button, QDialogButtonBox::ActionRole);
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114 _button_box->addButton (_replace_all_button, QDialogButtonBox::ActionRole);
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115 _button_box->addButton (_more_button, QDialogButtonBox::ActionRole);
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116 _button_box->addButton (QDialogButtonBox::Close);
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117
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118 _extension = new QWidget (this);
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119 _whole_words_check_box = new QCheckBox (tr ("&Whole words"));
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120 _regex_check_box = new QCheckBox (tr ("Regular E&xpressions"));
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121 _backward_check_box = new QCheckBox (tr ("Search &backward"));
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122 _search_selection_check_box = new QCheckBox (tr ("Search se&lection"));
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123 #if defined (HAVE_QSCI_FINDSELECTION)
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124 _search_selection_check_box->setCheckable (true);
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125 _search_selection_check_box->setEnabled (edit_area->hasSelectedText ());
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126 #else
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127 _search_selection_check_box->setCheckable (false);
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128 _search_selection_check_box->setEnabled (false);
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129 #endif
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130
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131 _edit_area = edit_area;
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132 connect (_find_next_button, SIGNAL (clicked ()),
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133 this, SLOT (find_next ()));
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134 connect (_find_prev_button, SIGNAL (clicked ()),
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135 this, SLOT (find_prev ()));
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136 connect (_more_button, SIGNAL (toggled (bool)),
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137 _extension, SLOT (setVisible (bool)));
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138 connect (_replace_button, SIGNAL (clicked ()),
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139 this, SLOT (replace ()));
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140 connect (_replace_all_button, SIGNAL (clicked ()),
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141 this, SLOT (replace_all ()));
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142 connect (_backward_check_box, SIGNAL (stateChanged (int)),
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143 this, SLOT (handle_backward_search_changed (int)));
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144 connect (_button_box, SIGNAL (rejected ()),
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145 this, SLOT (close ()));
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146 connect (_search_line_edit, SIGNAL (textChanged (QString)),
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147 this, SLOT (handle_search_text_changed (QString)));
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148
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149 #if defined (HAVE_QSCI_FINDSELECTION)
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150 connect (_edit_area, SIGNAL (copyAvailable (bool)),
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151 this, SLOT (handle_selection_changed (bool)));
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152 connect (_search_selection_check_box, SIGNAL (stateChanged (int)),
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153 this, SLOT (handle_sel_search_changed (int)));
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154 #endif
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155
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156 QVBoxLayout *extension_layout = new QVBoxLayout ();
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157 extension_layout->setMargin (0);
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158 extension_layout->addWidget (_whole_words_check_box);
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159 extension_layout->addWidget (_backward_check_box);
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160 extension_layout->addWidget (_search_selection_check_box);
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161 _extension->setLayout (extension_layout);
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162
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163 QGridLayout *top_left_layout = new QGridLayout;
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164 top_left_layout->addWidget (_search_label, 1, 1);
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165 top_left_layout->addWidget (_search_line_edit, 1, 2);
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166 top_left_layout->addWidget (_replace_label, 2, 1);
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167 top_left_layout->addWidget (_replace_line_edit, 2, 2);
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168
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169 QVBoxLayout *left_layout = new QVBoxLayout;
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170 left_layout->addLayout (top_left_layout);
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171 left_layout->insertStretch (1, 5);
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172 left_layout->addWidget (_case_check_box);
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173 left_layout->addWidget (_from_start_check_box);
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174 left_layout->addWidget (_wrap_check_box);
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175 left_layout->addWidget (_regex_check_box);
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176
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177 QGridLayout *main_layout = new QGridLayout;
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178 main_layout->setSizeConstraint (QLayout::SetFixedSize);
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179 main_layout->addLayout (left_layout, 0, 0);
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180 main_layout->addWidget (_button_box, 0, 1);
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181 main_layout->addWidget (_extension, 1, 0);
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182 setLayout (main_layout);
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183
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184 _extension->hide ();
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185 _find_next_button->setDefault (true);
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186 _find_result_available = false;
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187 _rep_all = 0;
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188 _rep_active = false;
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189
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190 // set the actions
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191 addActions (find_actions);
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192
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193 // move dialog to side of the parent if there is room on the desktop to do so.
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194 int xp = p->x () +20;
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195 int yp = p->y () + p->frameGeometry ().height () - sizeHint ().height () -20;
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196
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197 if (yp < 0)
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198 yp = 0;
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199
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200 move (xp, yp);
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201
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202 }
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203
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204 // set text of "search from start" depending on backward search
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205 void find_dialog::handle_backward_search_changed (int backward)
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206 {
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207 if (backward)
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208 _from_start_check_box->setText (tr ("Search from end"));
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209 else
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210 _from_start_check_box->setText (tr ("Search from start"));
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211 }
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212
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213 // search text has changed: reset the search
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214 void find_dialog::handle_search_text_changed (QString)
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215 {
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216 if (_search_selection_check_box->isChecked ())
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217 _find_result_available = false;
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218 }
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219
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220 #if defined (HAVE_QSCI_FINDSELECTION)
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221 void find_dialog::handle_sel_search_changed (int selected)
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222 {
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223 _from_start_check_box->setEnabled (! selected);
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224 _find_result_available = false;
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225 }
20932
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226 #else
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227 void find_dialog::handle_sel_search_changed (int /* selected */) { }
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228 #endif
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229
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230 #if defined (HAVE_QSCI_FINDSELECTION)
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231 void find_dialog::handle_selection_changed (bool has_selected)
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232 {
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233 if (_rep_active)
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234 return;
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235
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236 _search_selection_check_box->setEnabled (has_selected);
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237 _find_result_available = false;
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238 if (! has_selected)
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239 _search_selection_check_box->setChecked (false);
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240 }
20932
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241 #else
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242 void find_dialog::handle_selection_changed (bool /* has_selected */) { }
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243 #endif
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244
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245 // initialize search text with selected text if this is in one single line
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246 void find_dialog::init_search_text (void)
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247 {
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248 if (_edit_area->hasSelectedText ())
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249 {
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250 int lbeg, lend, cbeg, cend;
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251 _edit_area->getSelection (&lbeg,&cbeg,&lend,&cend);
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252 if (lbeg == lend)
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253 _search_line_edit->setText (_edit_area->selectedText ());
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254 }
20445
d3f39abe119b GUI-Find: keep focus on Find What and select all text when dialog opens
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255
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256 // set focus to "Find what" and select all text
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257 _search_line_edit->setFocus ();
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258 _search_line_edit->selectAll ();
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259
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260 // Default to "find" next time.
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261 // Otherwise, it defaults to the last action, which may be "replace all".
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262 _find_next_button->setDefault (true);
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263 }
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264
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265 void find_dialog::find_next (void)
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266 {
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267 find (! _backward_check_box->isChecked ());
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268 }
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269
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270 void find_dialog::find_prev (void)
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271 {
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272 find (_backward_check_box->isChecked ());
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273 }
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274
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275 void find_dialog::find (bool forward)
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276 {
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277 int line, col;
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278 line = col = -1;
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279 bool do_wrap = _wrap_check_box->isChecked ();
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280 bool do_forward = forward;
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281
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282 if (_rep_all)
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283 {
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284 if (_rep_all == 1)
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285 {
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286 line = 0;
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287 col = 0;
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288 }
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289 do_wrap = false;
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290 // The following line is a workaround for the issue that when replacing
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291 // a text with a new one with different size within the selection,
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292 // the selection is not updated leading to missing or extra replacements.
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293 // This does not happen, when the selection is search backwards
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294 do_forward = ! _search_selection_check_box->isChecked ();
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295 }
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296 else
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297 {
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298 if (_from_start_check_box->isChecked ())
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299 {
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300 if (do_forward)
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301 {
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302 line = 0;
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303 col = 0;
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304 }
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305 else
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306 {
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307 line = _edit_area->lines () - 1;
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308 col = _edit_area->text (line).length () - 1;
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309 if (col == -1)
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310 col = 0;
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311 }
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312 }
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313 else if (! do_forward)
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314 {
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315 // search from position before search characters text length
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316 // if search backward on existing results,
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317 _edit_area->getCursorPosition (&line,&col);
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318 if (_find_result_available && _edit_area->hasSelectedText ())
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319 {
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320 int currpos = _edit_area->positionFromLineIndex (line,col);
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321 currpos -= (_search_line_edit->text ().length ());
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322 if (currpos < 0)
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323 currpos = 0;
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324 _edit_area->lineIndexFromPosition (currpos, &line,&col);
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325 }
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326 }
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327 }
15177
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
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diff changeset
328
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329 if (_edit_area)
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330 {
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331 if (_edit_area->hasSelectedText ()
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332 && _search_selection_check_box->isChecked ())
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333 {
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
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334 #if defined (HAVE_QSCI_FINDSELECTION)
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335 if (_find_result_available)
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336 _find_result_available = _edit_area->findNext ();
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337 else
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338 _find_result_available
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339 = _edit_area->findFirstInSelection (
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340 _search_line_edit->text (),
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341 _regex_check_box->isChecked (),
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342 _case_check_box->isChecked (),
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343 _whole_words_check_box->isChecked (),
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344 do_forward,
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345 true
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346 #if defined (HAVE_QSCI_VERSION_2_6_0)
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347 , true
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diff changeset
348 #endif
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
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parents: 25054
diff changeset
349 );
24716
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350 #endif
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351 }
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352 else
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diff changeset
353 {
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diff changeset
354 _find_result_available
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355 = _edit_area->findFirst (_search_line_edit->text (),
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356 _regex_check_box->isChecked (),
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357 _case_check_box->isChecked (),
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358 _whole_words_check_box->isChecked (),
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diff changeset
359 do_wrap,
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360 do_forward,
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diff changeset
361 line,col,
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
362 true
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
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diff changeset
363 #if defined (HAVE_QSCI_VERSION_2_6_0)
24716
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diff changeset
364 , true
15257
7ee62f559a73 Fix compilation under Windows with GUI and LLVM enabled.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 15196
diff changeset
365 #endif
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
366 );
24716
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diff changeset
367 }
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diff changeset
368 }
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
369
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diff changeset
370 if (_find_result_available)
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diff changeset
371 _from_start_check_box->setChecked (0);
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
372 else if (! _rep_all)
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diff changeset
373 no_matches_message ();
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diff changeset
374 }
18854
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
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parents: 18283
diff changeset
375
24716
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diff changeset
376 void find_dialog::do_replace (void)
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diff changeset
377 {
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diff changeset
378 _rep_active = true; // changes in selection not made by the user
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diff changeset
379 _edit_area->replace (_replace_line_edit->text ());
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diff changeset
380 _rep_active = false;
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diff changeset
381 }
15177
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
382
24716
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diff changeset
383 void find_dialog::replace (void)
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
384 {
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
385 if (_edit_area)
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
386 {
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
387 // The following line is a workaround for the issue that when replacing
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John W. Eaton <jwe@octave.org>
parents: 24534
diff changeset
388 // a text with a new one with different size within the selection,
2b3e0b570e77 move GUI file editor classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 24534
diff changeset
389 // the selection is not updated leading to missing or extra replacements.
2b3e0b570e77 move GUI file editor classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 24534
diff changeset
390 // This does not happen, when the selection is search backwards
2b3e0b570e77 move GUI file editor classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 24534
diff changeset
391 if (_search_selection_check_box->isChecked ())
2b3e0b570e77 move GUI file editor classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
392 _backward_check_box->setChecked (true);
15177
d52bac6b9813 find-dialog.{h,cc}: Get rid of DOS newlines
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 15105
diff changeset
393
24716
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diff changeset
394 // do the replace if we have selected text
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diff changeset
395 if (_find_result_available && _edit_area->hasSelectedText ())
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
396 do_replace ();
2b3e0b570e77 move GUI file editor classes inside octave namespace
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diff changeset
397
2b3e0b570e77 move GUI file editor classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
398 find_next ();
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diff changeset
399 }
2b3e0b570e77 move GUI file editor classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
400 }
18854
0a66861d8069 implementation of search in selection in gui editor (bbug #41196)
Torsten <ttl@justmail.de>
parents: 18283
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401
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402 void find_dialog::replace_all (void)
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403 {
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404 int line, col;
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405
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406 if (_edit_area)
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407 {
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408 _edit_area->getCursorPosition (&line,&col);
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409
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410 _rep_all = 1;
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411 find_next (); // find first occurence (forward)
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412 while (_find_result_available) // while search string is found
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413 {
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414 do_replace ();
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415 _rep_all++; // inc counter
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416 find_next (); // find next
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417 }
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418
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419 QMessageBox msg_box (QMessageBox::Information, tr ("Replace Result"),
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420 tr ("%1 items replaced").arg (_rep_all-1),
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421 QMessageBox::Ok, this);
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422 msg_box.exec ();
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423
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424 _rep_all = 0;
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425 _find_result_available = false;
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426
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427 if (! _search_selection_check_box->isChecked ())
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428 _edit_area->setCursorPosition (line,col);
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429 }
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430 }
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431
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432 void find_dialog::no_matches_message (void)
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433 {
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434 QMessageBox msg_box (QMessageBox::Information, tr ("Find Result"),
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435 tr ("No more matches found"), QMessageBox::Ok, this);
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436 msg_box.exec ();
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437 }
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438 }
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439
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440 #endif